package dp;

import java.util.Arrays;

public class raidHomesAndPlunderHouses {
    //打家劫舍
    public static void main(String[] args) {
        System.out.println(rob(new int[]{2,7,9,3,1}));
    }

    public static int rob(int[] nums) {
        if (nums.length == 1) {
            return nums[0];
        }
        int[] dp = new int[nums.length];
        dp[0] = nums[0];
        dp[1] = Integer.max(nums[0], nums[1]);
        for (int i = 2; i < nums.length ; i++) {
            dp[i] = Integer.max(dp[i - 2] + nums[i], dp[i - 1] );
        }

        return dp[nums.length-1];
    }
}
